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Type: Posts; User: cpr

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    Re: How improve wood profile cutting quality?

    A roughing cut meand to split the operation in two parts, roughing and finishing.

    Let's say you want to cut a 10mm radius. You cut 10.1mm at first, and then remove the last tenth in a second pass....
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    Re: Losing steps 20 seconds into "G91 G0 Y9999"

    And I already have an upgrade at hand, transaction code 621176418R107292U from end of march this year! :)
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    Re: Losing steps 20 seconds into "G91 G0 Y9999"

    And it is interesting to see how quickly the temperature drops! Even these toy-drivers dissipate heat quicker than I thought!
    I can't wait to test heatsinks and a fan!
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    Re: Losing steps 20 seconds into "G91 G0 Y9999"

    It is easy to produce _some_ pictures wih a thermal camera. ;)
    I need to work on accuracy though! :)

    What is missing above is a proper calibration. Radiation from basically everywhere does end up...
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    Re: Losing steps 20 seconds into "G91 G0 Y9999"

    To improve my understanding of stepper drivers I looked at them with a Flir i5 thermal camera.

    The temperature is not to be taken by face value, because I did not calibrate on the surfaces.

    The...
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    Losing steps 20 seconds into "G91 G0 Y9999"

    SOLVED: Sorry! There are potis on those Pololu drivers! :( To regulate the current! *triplefacepalm*


    I am new to electronics and I just picked up again my "Shapeoko-clone" project I started last...
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    Re: Another thread about feeds and speeds

    When I visited a chipboard factory a few weeks ago they stressed at various points how their factory is set up to guarantee a long bit life: Their big customers kind of demand this.
    They had a...
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    Re: A stiff Shapeoko as a starter

    Haha, I have "upgraded" myself to about 3mm of z-axis travel: See first picture.

    Solution: I will make tool holder with more space. This is the quickest solution, pending a "z-axis redesign" (I...
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    Re: A stiff Shapeoko as a starter

    I upgraded the z-axis carriage to something where I should be able to attach a proper screw to, not the M8 rod I am going to start with.
    And I made a spindle holder for the Kress Spindel that clamps...
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    Re: A stiff Shapeoko as a starter

    This is only the first machine I am building. The last days were such a lot of fun! I already looked at designs of hot wire cutters and such.

    Well, this build will have run into problems soon -- I...
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    Re: A stiff Shapeoko as a starter

    Because I did not have a source for the POM leadscrew I had to make my own. In the workshop they had a piece with a diameter of 45mm and 150mm length.
    I was somehow under the impression that the...
  12. Re: Assembly instructions / diagrams (for the ShapeOko 2)

    > I was curious as to what other CNC machines do for assembly instructions

    Funny you are posting that. I am just going through an assembly of a Shapeoko. I did not buy a kit but sourced parts...
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    Re: A stiff Shapeoko as a starter

    And finally I put some screws into the whole frame, to get a feeling for the stiffness. I am quite pleased so far, it is the first thing I built and I like the "look&feel" of it.
    I did not fully...
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    Re: A stiff Shapeoko as a starter

    Then I marked and drilled various holes for mounting the Makerslide profiles.
    There is no M4/M5 threaded rod around, I need to buy some next week to use small pieces as a guide/marker for the t-nuts.
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    Re: A stiff Shapeoko as a starter

    The saw is quite accurate, but I did not dare to measure from both ends of the tubes.
    The mill with its work envelope of ~500x500 cannot reach both ends of x and y axis-tubes. So I made a guide from...
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    Re: A stiff Shapeoko as a starter

    I am running under way too much steam at the moment so I will postpone the redesign until a later time. Until then I will follow-through with the "stiff Shapeoko" idea.
    But the gantry will change...
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    Thanks a lot to everybody for the remarks, I...

    Thanks a lot to everybody for the remarks, I realize I have indeed more than one machine in mind!

    I will think about the design, and try to plan towards the "evolutionary split" into multiple...
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    I went a similar route when I built my...

    I went a similar route when I built my long-distance touring bicycle last year: I started with ricidulously un-suited parts and replaced more or less the whole bicycle during one year. But it was a...
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    Sound as if you should be able to mill into the...

    Sound as if you should be able to mill into the "short end" of a piece of wood?
    Like as if the spindle was fixed horizontally?
    This might enable dovetail-like connections?
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    That dimension of Aluminium is already bigger...

    That dimension of Aluminium is already bigger than what a well-stocked wholesaler/industrial supplier is usually listing in Western Europe.
    You have a very good source!
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    A stiff Shapeoko as a starter

    I spend way too much time, and take pilgrim steps quite often. So my first CNC router for furniture making with particle boards is supposedly some kind of a stiff Shapeoko.

    Size: I dimension my...
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    Question from a newbie: What exactly is meant...

    Question from a newbie: What exactly is meant with a "milled rail mounting surface"?
    Are we talking about "planing" the rail, or the frame?

    What I mean is:
    - is it "enough" to mill at a certain...
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    Am still inspired by this, keep the updates...

    Am still inspired by this, keep the updates coming!

    (for what's it worth: I have some looong makerslide coming... Longer than it can be reasonably installed.)
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    We are all dwarfs standing on the shoulders of...

    We are all dwarfs standing on the shoulders of giants...

    Where did that giver of yours get his knowledge from? (public education, free-time hobbyist, at work, ...)

    What resources were used?...
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    Thank you for sharing, this thread provided an...

    Thank you for sharing, this thread provided an unexpected lot of aesthetic!
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    Ahm... Do you mind if I asked for a close-up of...

    Ahm... Do you mind if I asked for a close-up of the birdlamp now?
    *lol*
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    Could you possibly show the "tree" close up? ...

    Could you possibly show the "tree" close up?

    With a fully-digital workflow "parametric design" becomes a possibility. Google for images and be amazed...
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    Very, very nice! When I went into an online...

    Very, very nice!

    When I went into an online woodworking forum at the beginning of october to ask what entry-level machine park I'd need to make my own furniture I kind of got ripped apart. It...
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    I saw the nice furniture in the background of the...

    I saw the nice furniture in the background of the gantry picture. The white "door" cabinet looks very nice!

    With system 32 I meant the holes for boards in 32mm spacing. Even drawers and door...
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    Last october I decided to start learning to build...

    Last october I decided to start learning to build my own furniture (I am not in a hurry).
    Your design, especially the dimensions, look very interesting.

    So keep up posting!

    Are you planning to...
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